Cadillac DeVille (2002) – fuse box diagram

Cadillac DeVille (2002) – fuse box diagram

Year of production: 2002

Engine compartment

The front Bussed Electrical Center (BEC) is located next to the engine on the passenger’s side of the vehicle. To access the fuse block, push in the two tabs located on the top and the bottom of the fuse block cover.

Cadillac Deville mk8 - fuse box - engine compartment
Cadillac Deville mk8 – fuse box – engine compartment

Minifuses

Fuse Usage
1 Assembly Line Diagnostic Link
2 Accessory
3 Windshield Wipers
4 Not Used
5 Headlamp Low Beam Left
6 Headlamp Low Beam Right
7 Instrument Panel
8 Powertrain Control Module Battery
9 Headlamp High Beam Right
10 Headlamp High Beam Left
11 Ignition 1
12 Fog
13 Transmission
14 Cruise Control
15 Coil Module
16 Injector Bank #2
17 Not Used
18 Not Used
19 Powertrain Control Module Ignition
20 Oxygen Sensor
21 Injector Bank #1
22 Cigar Lighter #2
23 Cigar Lighter #1
24 Daytime Running Lamps
25 Horn
26 Air Conditioner Clutch

Micro Relays

Relay Usage
27 Headlamp  high Beam
28 Headlamp Low Beam
29 Fog Lamps
30 Daytime Running Lamps
31 Horn
32 Air Conditioner Clutch

Mini Relays

Relay Usage
33 Not used
34 Accessory
35 Not Used
36 Starter 1
37 Cooling Fan Secondary
38 Ignition 1
39 Cooling Fan Series/Parallel
40 Cooling Fan Primary

Maxibreaker

Circuit Breaker Usage
41 Starter

MaxiFuses

Fuse Usage
42 Not Used
43 Not Used
44 Anti-Lock Brake System
45 Air Pump
46 Cooling Fan Secondary
47 Cooling Fan Primary

The spare fuses are located in numbers 48 through 52. The fuse puller is located in number 53.

Rear Underseat Bussed Electrical Center

The rear BEC is located under the rear seat on the driver’s side. The rear seat cushion must be removed to access the BEC.

Cadillac DeVille mk8 - fuse box - rear compartment
Cadillac DeVille mk8 – fuse box – rear compartment

Minifuses

Fuse Usage
1 Fuel Pump
2 Heater, Ventilation and Air Conditioning Battery
3 Memory Seat, Tilt and Telescoping Steering
4 RR Lumbar, Antenna
5 Driver Door Module
6 Heated Seat Left Rear
7 Power Tilt and Telescoping Steering
8 Supplemental Inflation Restraint
9 SDAR (XM Satellite Radio-If Equipped)
10 Lamps Park Right
11 Fuel Tank Ventilation Solenoid
12 Ignition 1
13 Interior Lamp Dimmer Module
14 Sunshade
15 Navigation
16 Heated Seat Left Front
17 Interior Lamps
18 Right Rear Door Module
19 Stoplamps
20 Park/Reverse
21 Audio
22 Retained Accessory Power for Sunroof
23 Lamps, Parking Left
24 Night Vision
25 Passenger Door Module
26 Body
27 Export Lights, Power Locks
28 Rear HVAC Blower
29 Ignition Switch
30 Hazard Signal
31 Reverse, Locks
32 Continuous Variable Road Sensing Suspension
33 Heating, Ventilation, Air Conditioning
34 Ignition 3 Rear
35 Antilock Braking System
36 Heated Seat, Right Front
37 Heated Seat, Right Rear
38 Dimmer

Micro Relays

Relay Usage
39 Fuel Pump
40 Parking Lamps
41 Ignition 1
42 Park Brake A
43 Park Brake B
44 Park Shift Interlock
45 Reverse Lamps
46 Retained Accessory Power for Sunroof
47 Reverse Lockout
48 Suspension Dampers
49 Ignition 3
50 Fuel Tank Door Release
51 Interior Lamps
52 Trunk Release
53 Not Used
54 Lock, Cylinder
55 Electronic Level Control Compressor

Circuit Breakers

Relay Usage
56 Power Seats
57 Power Windows

Mini Relays

Relay Usage
58 Cigar Lighter
59 Right Rear Defog

MaxiFuses

Fuse Usage
60 Park Brake
61 Rear Defog
62 HVAC Blower
63 Audio Amplifier
64 ELC Compressor/Exhaust
65 Cigar Lighter
66 Not Used

 

The spare fuses are located in numbers 70 through 74. The fuse puller is located in number 75.

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Cadillac DeVille (1997) – fuse box diagram

Cadillac DeVille (1997) – fuse box diagram

Year of production: 1997

MaxiFuse/Relay Center

The MaxiFuses and relays are located next to the engine compartment fuse block on the driver’s side of the engine

Cadillac DeVille - fuse box diagram - maxi fuse/relay center
Cadillac DeVille – fuse box diagram – maxi fuse/relay center
Fuse Usage
BODY 1 Real Time Dampening (RTD) Fuse, Convenience Fuse, BATT Fuse, Passenger and Driver Seat Belt Comfort Solenoids, Trunk and Fuel Door Release Solenoids and Relays, Door Lock/Unlock Relays, DPR Relay, Park Lamp Relay, Right and Left Park Fuse, Rear Fog Lamp Relay
BODY 2 Defog Relay, Pull-Down Fuse, Right and Left Heated Seat Fuse, Electronic Level Control (ELC) FuseRelay, Antenna Fuse, Heated Mirror Fuse
BODY 3 Controlled Power Relay, Controlled Power Back-up Relay, Cluster Fuse, Platform Zone Module (PZM) Fuse, Radio Fuse, DAB Relay, Trunk and Fuel Door Release Relay, High Beam Relay, Comfort Fuse, Controlled Power Relay, AMP Bose Only Fuse, Right and Left Bose Relay
INADVERT Inadvertent Power Relay, Interior Lamps Fuse, Cigarette Lighter- 1 Fuse, Cigarette Lighter-2 Fuse
LAMPS Headlamp Wash Relay (Export), Headlamps Fusemelay, High/Low
Beam Control Relay, Fog LampDRL Fuse, Hazard Fuse, Mirror Fuse, Inadvertent Power Relay, Right and Left High Beam Fuse, Right and Left Low Beam Fuse, Stop Fuse, Fog Lamp Relay (DeVille Concours Only), DRL Relay
IGN 1 Rear Ignition- 1 Relay, Wiper Fuse, Relay Ignition-1 Fuse, Supplemental Inflatable Restraint (SIR) Fuse, Accessory Rela
WINDOWS Delayed Accessory Bus (DAB) Relay
SEATS Horn Relay, Driver and Passenger Lumbar In/Out Relays, Driver and Passenger Upmown Relays
BATT 3 Steering Column Ignition Switch
BATT 2 Steering Column Ignition Switche
IGN 1* Front and Rear Ignition- 1 Relay, BATT 2 Steering Column Ignition Switch BATT 3 Steering Column Ignition Switch Usage Oxygen Sensor 1 and 2 Fuse, Fuel Fuse, Cruise Fuse, DRL Relay, Front and Rear Fog Lamp Relay, Control Power Back-up Relay, Ignition- 1 Fuse
BATT 1 Starter Relay and Solenoid, ParMRev Fuse, Park Relay, PCM Fuse, AC Compressor Fuse and Relay, Fan Relay
BRAKES ABS Brake Modulator
COOL FNS Cooling Fan Relays 1 and 3
* Do not alter OBD II related fuses or circuit breaker

Engine compartment fuse block

The fuse block is located next to the air filter on the driver’s side of the engine

Cadillac DeVille - fuse box diagram - engine compartment
Cadillac DeVille – fuse box diagram – engine compartment
Fuse name Usage
DRL Daytime Running Lamps (DRL)
COR LPS Cornering Lamp Switch, Right and Left Cornering Lamps
INT LPS Trunk Lamp, Courtesy Lamps, Front Vanity Lamps, Glove Box Lamp, Garage Door Opener, Courtesy Lamp Relay
CIG LTR 1 Front and Rear Cigarette Lighters (Full Console Only)
CIG LTR 2 Right and Left Rear Cigarette Lighters
L HDLP LO Left Low-Beam Headlamp
R HDLP LO Right Low-Beam Headlam
L HDLP HI Left High-Beam Headlamp
R HDLP HI Right High-Beam Headlamp
FOG Right and Left Front Fog Lamps Relay (Deville Concours Only)
HDLPS Headlamp Switch and Relay, High/Low Beam Control Relay, Right and Left Low Beam @-Beam), Right and Left High Beam
HAZARD Electronic Flasher Module, Turn/Hazard Switch, Right and Left Front Turn Lamps, Right and Left Rear Turn Lamps, Right and Left Repeater Lamps (Export), Cluster
STOP Stoplamp Switch, Turn Hazard Switch, ABS Controller, Stepper Motor Cruise Control, Right and Left Rear Stoplamps (Export)
MIRROR Inadvertent Power Relay, Left Outside Rearview Mirror Switch, ALDL, Memory Mirror Module Dimmer Switch, Cluster
DRL Daytime Running Lamp (DRL) Relay, Left and Right Low Beam in DRL Mode, DRL Switc
IGN (ENG)* Powertrain Control Module (PCM)
ABS Anti-Lock Brake System (ABS)/Traction Control System
IGN 1 Rear Ignition-1 Relay, Front and Rear Fog Lamp Relays, Control Power Back-up, DRL Relay
WIPERS Accessory Relay, Wiper Switch
A/C COMP AC Compressor Relay, Cooling Fan Relays 1,2,3, Compressor
A/C COMP A/C Compressor
PCM (BAT)* PCM
PRK/REV TCC and Exterior Travel Brake Switch, Revberse Relay, Electrochromic Mirror (in Header), Park Relay, Brake Transaxle-Shift Interlock (BTSI) Switch, BTSI, PZM
ECS* Transaxle Shift Solenoids, Mass Airflow, Canister Purge, PCM, Linear Exhaust Gas Recirculation (EGR), Front Ignition- 1 Relay, Torque Converter
PCM (IGN)* Powertrain Control Module (PCM)
DISTR* Electronic Ignition Control Module
CRUISE Stepper Motor Cruise Control, Power Steering Pressure Switch, Low Refrigerant Pressure Cutoff Switch, Park Relay
INJ* Injectors 1, 4, 6, 7
INJ* Injectors 2, 3, 5, 8
FUEL PUMP PCM, Fuel Pump Relay, Fuel Pump
FUEL PUMP Fuel Pump
OXY SEN1* Oxygen Sensor Front, CAT Front Oxygen Sensor
OXY SEN2* Oxygen Sensor Rear, Catalytic Convener (CAT) Rear Oxygen Sensor
* Do not alter OBD I1 related fuses or circuit breakers.

Rear Compartment Fuse Block

The fuse block is located on the front wall of the trunk (behind the rear seat) on the driver’s side.

Cadillac DeVille - fuse box diagram - rear compartment
Cadillac DeVille – fuse box diagram – rear compartment
Fuse Usage
RLY IGN 1 Cluster, Cruise in Stalk, PZM, Catalytic Converter Overtemp Amplifier (Export), TCC Switch
SIR SDM, Left and Right Door Sensor
ELC ELC Relay, Vacuum Pump, ALC Sensor
TURN Electronic Flasher, Turn/Hazard Switch
CONSOLE Rear Zone Blower, Right and Left Heated Seat Switches (Optional)
BRAKE Brake, Vacuum Pump (VP) Relay, VP Motor, VP Pressure Switch
RSS CV-RTD (CV-RSS)(DeVille Concours Only)
IGN 0-BODY PRNDL, Dual Zone Switch, PZM, Cluster, Air Control Module (ACM), Upper Zone Motor, Lower Zone Motor (Optional), HVAC Solenoids, Climate Control Panel Analog Cluster (Console Shift Only),
COMFORT CD Player, Remote Keyless Entry (RKE), Controlled Power Relay, Air Control Module (ACM), PZM
AMP (Bose Only) (Optional) Right and Left Hand Bose Relay, Right and Left Front Speakers (On Door), Right and Left Rear Speakers
PZM PZM
RADIO/PHONE Radio Receiver, Radio Interface Module (RIM)(Bose Only), Phone, DAB Relay, Trunk Release Relay, Fuel Door Release Relay, HighLow Beam Relay
CLUSTER Steering Wheel Controls, Cluster
ACC PZM, Electrochromic Mirror, Rain Sensor (Optional), Accessory Relay
HTD MIR Right and Left Outside Heated Mirror
HTD SEAT R Passenger Heated Seat Relay (Optional)
HTD SEAT L Driver Heated Seat Relay (Optional)
PULL DOWN Trunk Pull-Down Motor
HDLP WASH Headlamp Wash Relay (Export), Headlamp Wash Motor
ANTENNA Power Mast Antenna
RSS CV-RTD Module (CV-RSS) (DeVille Concours Only)
CONVENC Trunk Release Relay, Trunk Release Solenoid, Fuel Door Release Relay, Fuel Filler Door Release Solenoid, Door Lock Relay, Left Front Door Motors, PZM, Door Unlock Rel
BATT Driver and Passenger Seat Lumbar Switch (Optional), Memory Seat Module
RSS CV-RTD (CV-RSS) (DeVille Concours Only)
RT PARK Headlamp Switches, Rear Fog Lamp Relay, Right Front and Rear Sidemarker Lamps, Right Rear Back-up Lamp (Export), Park Position Lamp (Export), Rear ParWTurn Lamps
LT PARK Left Front and Rear Sidemarker Lamps, Front Parking Lamps, Left Turn/Stop/Tail Lamps, Right and Left License Plate Lamps, Park Position Lamp (Export)
* Do not alter OBD II related fuses or circuit breakers

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Cadillac DeVille (1996) – fuse box diagram

Cadillac DeVille (1996) – fuse box diagram

Year of production: 1996

Engine compartment fuse block

The fuse block is located next to the air filter on the driver’s side of the engine

Cadillac DeVille - fuse box diagram - engine compartment
Cadillac DeVille – fuse box diagram – engine compartment
Fuse name Usage
DRL Daytime Running Lamps
INT LPS Trunk Lamp, Courtesy Lamps, Front Vanity Lamps, Glove Box Lamp, Garage Door Opener, Courtesy Lamp Rela
CIG LTR 1 Front Cigarette Lighter (Console Only), Rear Lighter
CIG LTR 2 Right and Left Rear Cigarette Lighter
L HDLP LO Left Low-Beam Headlamp
R HDLP LO Right Low-Beam Headlamp, Light Emitting Diode (LED) on Headlamp Switch
L HDLP HI Left High-Beam Headlamp
R HDLP HI Right High-Beam Headlamp
SENSE Heated Windshield Control (Optional)
HDLPS Headlamp Switch and Relay, High/Low Beam Control Relay, Right and Left Low Beam @-Beam), Right and Left High Beam
HAZARD Electronic Flasher Module, Turn/Hazard Module, Right and Left Turn Lamps, Back-up Lamps, Right and Left Front Turn Lamps, Right and Left Repeater Lamps (Export
STOP Stoplamp Switch, Centered High-Mounted Stoplamp (CHMSL), Turn Hazard Switch, ABS Controller, Stepper Motor Cruise Control, Right and Left Rear Stoplamps
MIRROR Inadvertent Power Relay, Outside Rearview Mirror, Data Line Connector (DLC), Flash-to-Pass Module
FOG/DRL Daytime Running Lamp (DRL) Relay (Domestic Only), Fog Lamp Relay (Optional), Headlamp Switch, Right and Left Front Fog Lamps (Optional
IGN (ENG)* Powertrain Control Module (PC1
CRANK Sensing and Diagnostic Module (SDM
ABS Anti-Lock Brake System/Anti-Slip  Regulation-5 (ABS/ASR-5) Controller
IGN 1 Rear Ignition- 1 Relay, Front Fog Lamp Relay, Rear Lamp Relay (Export), Controlled Power Back-up Relay, DRL Relay (Domestic Only)
WIPERS Accessory Relay, Wiper Switch, Cluster, Wiper Motor, wiper Pump
OXY SEN2* 02 Sensor Rear, Catalytic Converter (CAT) Rear 09 Sensor
OXY SEN1* 02 Sensor Front, CAT Front 02 Sensor
FUEL PUMP* Engine Oil Pressure Indicator, PCM, Fuel Pump Relay, Fuel Pump
INJ* Injectors 2,3,5,8
INJ* Injectors 1,4,6,7
CRUISE Stepper Motor Cruise Control, Park-Neutral Position Switch, Back-up Lamps, Electrochromatic Mirror, Brake-Transaxle Shift Interlock (BTSI)
DISTR* Electronic Ignition Control
PCM (IGN)* Powertrain Control Module (PCM)
ESC* Transaxle Shift Solenoids, Mass Airflow, Low Refrigerant Cutoff Switch, Canister Purge, PCM, Linear Exhaust Gas Recirculation
(EGR), Power Steering Press Switch, Front Ignition- 1 Relay
PCM (BAT)* PCM
A/C COMP AC Compressor Relay, Cooling Fan Relays 1,2,3, Compressor
* Do not alter OBD II related fuses or circuit breakers

MaxiFuse/Relay Center

The MaxiFuses and relays are located next to the engine compartment fuse block on the driver’s side of the engine

Cadillac DeVille - fuse box diagram - maxi fuse/relay center
Cadillac DeVille – fuse box diagram – maxi fuse/relay center
Fuse Usage
BODY 1 Real Tie Dampening (RTD) Fuse, Convenience Fuse, BATT Fuse, Headlamp Wash Fuse (Export), Antenna Fuse, Park Lamp Relay, Right and Left Park Fuse
BODY 2 Defog Relay, Pull-Down Fuse, Right and Left Heated Seat Fuse, Electronic Level Control (ELC) Fuse, Rear Defog Fuse, Heated Mirror Fuse
BODY 3 Controlled Power Relay, Controlled Power Back-up Relay Mirror Fuse, Platform Zone Module (PZM) Fuse, Radiophone Fuse, Cluster Fuse, AMP Fuse Comfort Fuse
INADVERT Inadvertent Power Relay, Brushless Blower Motor, Interior Lamps Fuse, Cigarette Lighter- 1 Fuse, Cigarette Lighter-2 Fuse
LAMPS High/Low Beam Relay, Headlamp Relay, Fog LampDRL Fuse, Hazard Fuse, Mirror Fuse, Headlamp Fuse, Right and Left High Beam Fuse, Right and Left Low Beam Fuse, Stop Fuse
IGN 1 Rear Ignition- 1 Relay, Wiper Fuse, Relay Ignition-1 Fuse, Supplemental Inflatable Restraint (SIR) Fuse
WINDOWS Delayed Accessory Bus (DAB) Relay
SEATS Horn Relay, Driver and Passenger Lumbar In/Out Relays, Driver and Passenger Up/Down Relays, Memory Seat Module, Driver and Passenger Power Seat Switch
BATT 3 Ignition 0-Body Fuse, RTD Fuse, Ignition 0-Engine Fuse, Anti-Lock
Brake System (ABS) Fuse, Turn Fuse, Console
BATT 2 Starter Enable Relay, Park-Neutral Position Switch, Crank Fuse, Injector 1 and 2 Fuse, Engine Control System (ECS) Fuse, PCM Fuse, DIS Fuse, Ignition-1 Fuse, ACC Fuse
IGN 1* Front Ignition- 1 Relay, Oxygen Sensor 1 and 2 Fuse, Fuel Fuse, Cruise Fuse
BATT 1 Starter Relay, PCM Fuse, AC Compressor Fuse
BRAKES ABS Brake Modulator
COOL FNS Cooling Fan Relays 1,2,3
* Do not alter OBD II related fuses or circuit breaker

Rear Compartment Fuse Block

Cadillac DeVille - fuse box diagram - rear compartment
Cadillac DeVille – fuse box diagram – rear compartment
Fuse Usage
RLY IGN 1 SDM, Cluster, Cruise in Stalk, Brake Switch, PZM, Fuel Level Sensor, Catalytic Converter Overtemp Amplifier (Export)
SIR SDM
RTD RTD
IGN 0-BODY PRNDL, Heated Windshield (Optional), PZM, Cluster, Air Control Module (ACM), Upper and Lower Zone Motor, HVAC Solenoids, Climate Control Panel (Optional), Rear Defog Relay, ELC Relay
TURN Cornering Lamp Switch, Right and Left Cornering Lamps, Electronic Flasher Module, Turn/Hazard Switch, Right and Left Rear Turn Signal Lamps, Right and Left Front Turn Signal Lamps, Repeater Lamps (Expor
CONSOLE Cellular Phone Portable Docking Station, Washer Circuit Boars, Heated Seat Switch, Rear Zone Blower, Right and Left Heated Seat Switches, Headlamp Wash Relay
COMFORT CD Player, Remote Function Actuator (RFA), Controlled Power Relay, Air Control Module (ACM), PZM
AMP (Optional) Right and Left Hand Bose Relay, Right Front and Rear Speaker (On Door), Left Front and Rear Speaker {On Door)
PZM PZM
RADIO/PHONE Radio Receiver, Radio Interface Module (RIM)(Bose Only), Phone, DAB Relay, Trunk Release Relay, Fuel Door Release Relay, High Beam Rela
CLUSTER Steering Wheel Controls, Clust
ACC EM, Electrwhromic Minor, Rain Sensor (Optional), Accessory Relay
RR DEFOG Rear Defog
HTD MIR Right and Left Outside Heated  Mirror
HTD SEAT R Passenger Heated Seat Relay
HTD SEAT L Driver Heated Seat Rela
PULL DOWN Trunk Pull-Down Motor
ELC ELC Relav and Motor
ANTENNA Power Mast Antenna
HDLP WASH Headlamp Wash Relay (Export), Headlamp Wash Motor
CONVENC Trunk Release Relay, Trunk Release Solenoid, Fuel Door Release Relay, Fuel Filler Door Release Solenoid, Door Lock Relay, Right and Left Front Door Motors, Right and Left Rear Door Motors, Door Unlock Rela
BATT Driver and Passenger Seat Lumbar Switch, Lumbar Switch (Driver Seat Only), Memory Seat Modu
RTD RTD Module
RT PARK Front and Rear Park Lamps, Right Front and Rear Sidemarker Lamps, Headlamp Switch (Export), Rear Fog Lamp Relay (Export), HeadlamD Switch
LT PARK Left Front and Rear Sidemarker Lamps, Right and Left Parking Lamps,
* Do not alter OBD II related fuses or circuit breakers

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Cadillac DeVille (1995) – fuse box diagram

Cadillac DeVille (1995) – fuse box diagram

Year of production: 1995

Engine compartment fuse block

The maxi fuse and relays are located next to the engine compartment fuse block.

Cadillac DeVille - fuse box diagram - engine compartment
Cadillac DeVille – fuse box diagram – engine compartment
Fuse name Usage
DISTR IGNITION CONTROL MODULE
SIR SENSERING DIAGNOSTIC MODULE
PCM (IGN) POWERTRAIN CONTROL MODULE (PCM),  PASS-Key-II DECODER MODULE
INJ 1,4,6, AND 7 FUEL INJECTORS
INJ 2,3,5, AND 8 FUEL INJECTORS
IGN 1 A/C REFRIGERANT PRESSURE SWITCH, TRANSAXLE RANGE SWITCH, STOP/BTSI/CRUISE BRAKE SWITCH, INSTRUMENT PANEL CLUSTER, KEYLESS ENTRY MODULE, DIAGNOSTIC/ENERGY RESERVE MODULE (DERM), CORNERING LIGHTS, TURN/HAZARD SWITCH ASSY, CHIME MODULE, HEADLIGHT SWITCH, TWILIGHT SENTINEUDRL MODULE
FUEL PUMP FUEL PUMP, OIL PRESSURE SWITCH, POWERTRAIN CONTROL MODULE (PCM)
PCM (BAT) P6WERTRAIN CONTROL MODULE (PCM)
RTD (BAT) ROAD SENSING SUSPENSION (RSS) MODULE
A/C COMP A/C COMPRESSOR CLUTCH
HDLPS HEADLIGHT DIMMER SWITCH, HEADLIGHT RELAY “D” (ENGINE COMP MICRO RELAY CENTER),  DRL HEADLIGHT RELAY “E (WITH DAYTIME RUNNING LIGHTS),  POWERS C13
STOP LP STOP/BTSI/CRUISE SWITCH,  STOPLIGHT SWITCH CAPACITOR; ANTI -SLIP REGULATION (ASR) 5 TRACTION CONTROL
TURN/HAZ HAZARD FLSHER,  TURN FLASHER RELAY, TURN FLASHER MODULE
DRL DAYTIME RUNNING LIGHTS (CANADA)
DRL LEFT AND RIGHT LO BEAM HEADLAMP (CANADA)
HTD W/S HEATED WINDSHIELD CONTROL MODULE
IGN OFF INSTRUMENT PANEL CLUSTER
L HDLP LO LEFT LO BEAM HEADLAMP
R HDLP LO RIGHT LO BEAM HEADLAMP
L HDLP HI LEFT HI BEAM HEADLAMP
R HDLP HI RIGHT HI BEAM HEADLAMP
IGN 3 REAR DEFOGGER RELAY, ELECTRONIC LEVEL CONTROL (ELC), HEATED WINDSHIELD, HEATER AND A/C PROGRAMMER, CRUISE CONTROL
COOLING FAN EXTENDED TRAVEL BRAKE SWITCH,  POWERTRAIN CONTROL MODULE (PCM),  COOLING FANRELAYS 1,2, AND 3, FRONT AND REAR HEATED OXYGEN SENSOR
TRANS/ECS POWER STEERING PRESSURE SWITCH,  EXHAUST GAS RECIRCULATION (EGR) VALVE,  TRANSAXLE SHIFT SOLENOIDS A & B,  EVAPORATIVE EMISSION CONTROL SOLENOID,  POWERTRAIN CONTROL MODULE (PCM),  TORQUE CONVERTER CLUTCH SOLENOID,  TCC BRAKE SWITCH

Maxi fuse block

Cadillac DeVille - fuse box diagram - maxi fuse block
Cadillac DeVille – fuse box diagram – maxi fuse block

LH MAXI FUSE BLOCK

Fuse/circuit breaker (CB) Usage
IGN 1 (Fuse) RETAINED ACCESSORY POWER (RADIO/WIPERS), STARTER, TRUNK COMF FUSES B11 AND 813
BODY 1 (Fuse) ENGINE COMF B11, ROAD SENSING SUSPENSION, FOG LIGHTS, TRUNK COMF FUSE C1, C3, C5, C7, C9, AND C11, TRUNK COMIP FUSE C13 (EXPORT), REAR FOG LIGHT (EXPORT)
SEATS/HORN (CB) LEFT AND RIGHT LUMBAR RELAYS, POWER DOOR LOCKS,  KEYLESS ENTRY MODULE, HORNS, FUEL DOOR RELEASE SWITCH, TRUNK RELEASE SWITCH
ELECTRONICS (Fuse) POWERTRAIN CONTROL MODULE (PCM),  ELECTRONIC CLIMATE CONTROL, RAPALLUMINATED ENTRY MODULE, INSTRUMENT PANEL CLUSTER,  PASS-Key-II DECODER MODULE,  THEFT DETERRENT
BODY 2 (Fuse) LEFT AND RIGHT HEATED SEATS, ELECTRONIC LEVEL CONTROL (ELC),  TRUNK LID PULL DOWN, POWER ANTENNA, REAR DEFOGGER, LEFT AND RIGHT MIRROR DEFOGGERS
IGN 3 (Fuse) RETAINED ACCESSORY POWER, (SUNROOF/POWER WINDOWS), ENGINE COMF! FUSES D1, D3, D5, TRUNK COMI? FUSES A1 , A3, A5, A7, A9

RH MAXI FUSE BLOCK

FUSE/CIRCUIT BREAKER (CB) USAGE
DAB (CB) RETAINED ACCESSORY POWER (RAP) (SUNROOF/POWER WINDOWS)
RADIO (Fuse) DELCO-BOSEB SPEAKERS,  RADIO CONTROL HEAD, REMOTE RADIO RECEIVER
COOL (Fuse) COOLING FANS
HVAC BLOWER (Fuse) HVAC POWER MOTOR, A/C COMPRESSOR
BRAKES (Fuse) BRAKE PRESSURE MODULATOR VALVE
EXT LAMPS (FUSE) TURN FLASHER MODULE, HAZARD FLASHER, STOP/BTSI/CRUISE BRAKE SWITCH, PARKING LIGHTS, DAY TIME RUNNING LIGHTS (CANADA), ENGINE COME FUSES 61, B3 AND B5, TRUNK COMF! FUSES Dl 1, Dl3
IGN 3 (Fuse) RETAINDE ACCESSORY POWER (ASTROROOF/POWER WINDOWS); ENGINE COMP. FUSE D1, D3 AND D5; TRUNK COMP; FUSES A1, A3, A5, A7 AND A9

Trunk Compartment Fuse Block

Cadillac DeVille - fuse box diagram - trunk compartment
Cadillac DeVille – fuse box diagram – trunk compartment
Fuse name Usage
CRANK RAP/ILLUMINATED ENTRY MODULE, DlAGNOSTIC/ENERGY RESERVE MODULE (DERM), TRANSAXLE RANGE SWITCH (NSSS)
IGN 1 TRUN/FUEL DOOR RELEASE INHIBIT RELAY “E”, FUEL LEVER SENSOR, ELECTROCHROMIC MIRROR,  RAP/ILLUMINATED ENTRY MODULE, THEFT DETERRENT MODULE, KEYLESS ENTRY MODULE, TURN FLASHER RELAY “F TRUNK COMP MICRO RELAY CENTER
IPC (IGN) INSTRUMENT PANEL CLUSTER
RTD SUSP SPEED SENSITIVE SUSPENSION
ABS ELECTRONIC BRAKE AND TRACTION CONTROL MODULE (EBTCM)
WIPER WIPER/WASHER SWITCH
RAD (IGN) REMOTE RADIO RECEIVER
R DEFOG REAR DEFOGGER
HTD MlRR LEFT AND RIGHT OUTSIDE MIRROR DEFOGGERS
IPC (BATT) INSTRUMENT PANEL CLUSTER
THEFT PASS-Key-II DECODER MODULE, THEFT DETERRENT RELAY “D” (TRUNK COMP RELAY CENTER), THEFT DETERRENT MODULE
HVAC/DABIE HEATER AND A/C PROGRAMMER, RAP/ILLUMINATED ENTRY MODULE
RADIO ACTIVE AUDIO AMPLIFIER
TRAILER NOT EQUIPPED
ANT ANTENNA MOTOR
CIGAR LEFT AND RIGHT CIGARETTE LIGHTERS, FRONT CIGARETTE LIGHTER, CHIME MODULE
BODY 2 POWER MIRROR SWITCH, RAP RELAY, LOCK-OUT INHIBIT RELAY “A” (TRUNK COMP 1 MICRO RELAY CENTER), COURTESY LIGHTS RELAY “C” (TRUNK COME 2 MICRO RELAY CENTER), RAP RELAY “E (TRUNK COMP. 2 MICRO RELAY CENTER), KEYLESS ENTRY MODULE, TRUNK LAMP
BODY 1 FRONT DOOR LOCK SWITCHES, FRONT DOOR COURTESY LAMP, GLOVE BOX LAMP, HEADLIGHT SWITCH
READ LP LEFT AND RIGHT FRONT HEADER LAMP, GARAGE DOOR OPENER, LEFT AND RIGHT REAR HEADER LAMPS
L PRK LP LEFT REAR TAIL/STOP/TURN LAMPS, LEFT FRONT PARK/TURN LAMPS, FRONT AND REAR LEFT SIDE MARKER LAMPS, RIGHT REAR MARKER LAMP, HEADLIGHT SWITCH, INSTRUMENT PANEL CLUSTER
R PRK LP RADIO CONTROL HEAD, RIGHT TAIUSTOP TURN LAMPS, RIGHT FRONT AND REAR SIDE MARKER LAMPS, RIGHT FRONT PARK AND TURN LAMPS, ENGINE COME LAMP, LICENSE PLATE LAMPS
RAD (BAT) RADIO
TRUNK PLD TRUNK LID PULL DOWN MOTOR
ELC ELECTRONIC LEVEL CONTROL (ELC)
R HTD SEAT PASSENGERS HEATED SEAT
L HTD SEAT DRIVER’S HEATED SEAT

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Cadillac DeVille (1994) – fuse box diagram

Cadillac DeVille (1994) – fuse box diagram

Year of production: 1994

Engine compartment fuse block

The maxi fuse and relays are located next to the engine compartment fuse block.

Cadillac DeVille - fuse box diagram - engine compartment
Cadillac DeVille – fuse box diagram – engine compartment
Fuse name Ampere rating [A] Usage
DISTR 20 IGNITION CONTROL MODULE
SIR 20 DIAGNOSTIC/ENERGY RESERVE MODULE (DERM) ,  DUAL POE ARMING SENSOR
PCM (IGN) 10 POWERTRAIN CONTROL MODULE (PCM),  PASS-Key@ DECODER MODULE
INJ 10 1,4,6, AND 7 FUEL INJECTORS
INJ 10 2,3,5, AND 8 FUEL INJECTORS
IGN 1 10 A/C REFRIGERANT PRESSURE SWITCH, TRANSAXLE RANGE SWITCH, STOP/BTSI/CRUISE BRAKE SWITCH, INSTRUMENT PANEL CLUSTER, KEYLESS ENTRY MODULE, DIAGNOSTIC/ENERGY RESERVE MODULE (DERM), CORNERING LIGHTS, TURN/HAZARD SWITCH ASSY, CHIME MODULE, HEADLIGHT SWITCH, TWILIGHT SENTINEUDRL MODULE
FUEL PUMP 20 FUEL PUMP, OIL PRESSURE SWITCH, POWERTRAIN CONTROL MODULE (PCM)
PCM (BAT) 10 P6WERTRAIN CONTROL MODULE (PCM)
RTD (BAT) 20 ROAD SENSING SUSPENSION (RSS) MODULE
A/C COMP 10 A/C COMPRESSOR CLUTCH
HDLPS 30 HEADLIGHT DIMMER SWITCH, HEADLIGHT RELAY “D” (ENGINE COMP MICRO RELAY CENTER),  DRL HEADLIGHT RELAY “E (WITH DAYTIME RUNNING LIGHTS),  POWERS C13
STOP LP 20 STOP/BTSI/CRUISE SWITCH,  STOPLIGHT SWITCH CAPACITOR
TURN/HAZ 20 HAZARD FLSHER,  TURN FLASHER RELAY, TURN FLASHER MODULE
DRL (CANADA) 10 DAYTIME RUNNING LIGHTS (CANADA)
DRL (CANADA) 10 LEFT AND RIGHT LO BEAM HEADLAMP
HTD W/S 10 HEATED WINDSHIELD CONTROL MODULE
LR STRUT 10 LEFT REAR STRUT
RR STRUT 10 RIGHT REAR STRUT
LF STRUT 10 LEFT FRONT STRUT
RF STRUT 10 RIGHT FRONT STRUT
L HDLP LO 10 LEFT LO BEAM HEADLAMP
R HDLP LO 10 RIGHT LO BEAM HEADLAMP
L HDLP HI 10 LEFT HI BEAM HEADLAMP
R HDLP HI 10 RIGHT HI BEAM HEADLAMP
IGN 3 10 REAR DEFOGGER RELAY, ELECTRONIC LEVEL CONTROL (ELC), HEATED WINDSHIELD, HEATER AND A/C PROGRAMMER, CRUISE CONTROL
COOLING FAN 10 EXTENDED TRAVEL BRAKE SWITCH,  POWERTRAIN CONTROL MODULE (PCM),  COOLING FANRELAYS 1,2, AND 3, FRONT AND REAR HEATED OXYGEN SENSOR
TRANS/ECS 10 OVERSPEED ALERT MODULE (EXPORT),  POWER STEERING PRESSURE SWITCH,  EXHAUST GAS RECIRCULATION (EGR) VALVE,  TRANSAXLE SHIFT SOLENOIDS A & B,  EVAPORATIVE EMISSION CONTROL SOLENOID,  POWERTRAIN CONTROL MODULE (PCM),  TORQUE CONVERTER CLUTCH SOLENOID,  TCC BRAKE SWITCH

Maxi fuse block

Cadillac DeVille - fuse box diagram - maxi fuse block
Cadillac DeVille – fuse box diagram – maxi fuse block

LH MAXI FUSE BLOCK

Fuse Fuse name Ampere rating [A] Usage
1 (STRG 1-2) 50 RETAINED ACCESSORY POWER (RADIO/WIPERS), STARTER, TRUNK COMF FUSES B11 AND 813
2 BODY 60 ENGINE COMF B11, ROAD SENSING SUSPENSION, FOG LIGHTS, TRUNK COMF FUSE C1, C3, C5, C7, C9, AND C11, TRUNK COMIP FUSE C13 (EXPORT), REAR FOG LIGHT (EXPORT)
3 SEAT 30 CB LEFT AND RIGHT LUMBAR RELAYS, POWER DOOR LOCKS,  KEYLESS ENTRY MODULE, HORNS, FUEL DOOR RELEASE SWITCH, TRUNK RELEASE SWITCH
4 IPC 30 POWERTRAIN CONTROL MODULE (PCM),  ELECTRONIC CLIMATE CONTROL, RAPALLUMINATED ENTRY MODULE, INSTRUMENT PANEL CLUSTER,  PASS-Key@ DECODER MODULE,  THEFT DETERRENT
5 HVAC 60 LEFT AND RIGHT HEATED SEATS, ELECTRONIC LEVEL CONTROL (ELC),  TRUNK LID PULL DOWN, POWER ANTENNA, REAR DEFOGGER, LEFT AND RIGHT MIRROR DEFOGGERS
6 STRG 3 60 RETAINED ACCESSORY POWER, (SUNROOF/POWER WINDOWS), ENGINE COMF! FUSES D1, D3, D5, TRUNK COMI? FUSES A1 , A3, A5, A7, A9

RH MAXI FUSE BLOCK

Fuse Fuse name Ampere rating [A] Usage
1 DAB 30 CB RETAINED ACCESSORY POWER (RAP) (SUNROOF/POWER WINDOWS)
2 RADIO 30 DELCO-BOSEB SPEAKERS,  RADIO CONTROL HEAD, REMOTE RADIO RECEIVER
3 COOL 50 COOLING FANS
4 HVAC BLOWER (BLOWER) 40 HVAC POWER MOTOR, A/C COMPRESSOR
5 ABS (BRAKES) 50 BRAKE PRESSURE MODULATOR VALVE
6 LAMPS 50 TURN FLASHER MODULE, HAZARD FLASHER, STOP/BTSI/CRUISE BRAKE SWITCH, PARKING LIGHTS, DAY TIME RUNNING LIGHTS (CANADA), ENGINE COME FUSES 61, B3 AND B5, TRUNK COMF! FUSES Dl 1, Dl3

Trunk Compartment Fuse Block

Cadillac DeVille - fuse box diagram - trunk compartment
Cadillac DeVille – fuse box diagram – trunk compartment
Fuse name Ampere rating [A] Usage
CRANK 10 RAP/ILLUMINATED ENTRY MODULE, DlAGNOSTIC/ENERGY RESERVE MODULE (DERM), TRANSAXLE RANGE SWITCH (NSSS)
IGN 1 10 TRUNWFUEL DOOR RELEASE INHIBIT RELAY “E”, FUEL LEVER SENSOR, ELECTROCHROMIC MIRROR,  RAP/ILLUMINATED ENTRY MODULE, THEFT DETERRENT MODULE, KEYLESS ENTRY MODULE, TURN FLASHER RELAY “F TRUNK COMP MICRO RELAY CENTER
HDLP WASH 30 EXPORT ONLY – NOT EQUIPPED
IPC (IGN) 10 INSTRUMENT PANEL CLUSTER
RTD SUSP 10 SPEED SENSITIVE SUSPENSION, ENGINE COMP MICRO RELAY CENTER RSS DAMPER RELAY “F”
ABS 10 ELECTRONIC BRAKE AND TRACTION CONTROL MODULE (EBTCM)
WIPER 30 WIPER/WASHER SWITCH
RAD (IGN) 10 REMOTE RADIO RECEIVER
R DEFOG 30 REAR DEFOGGER
HTD MlRR 10 LTAND RT OUTSIDE MIRROR DEFOGGERS
IPC (BATT) 10 INSTRUMENT PANEL CLUSTER
THEFT 10 PASS-Key@ DECODER MODULE, THEFT DETERRENT RELAY “D” (TRUNK COMP RELAY CENTER), THEFT DETERRENT MODULE
HVAC/DABIE 10 HEATER AND A/C PROGRAMMER, RAP/ILLUMINATED ENTRY MODULE
RADIO 30 ACTIVE AUDIO AMPLIFIER
TRAILER 20 NOT EQUIPPED
ANT 10 ANTENNA MOTOR
CIGAR 20 LT AND RT REAR CIGARETTE LIGHTERS, FRONT CIGARETTE LIGHTER, CHIME MODULE
BODY 2 10 POWER MIRROR SWITCH, RAP RELAY, LOCK-OUT INHIBIT RELAY “A” (TRUNK COMP 1 MICRO RELAY CENTER), COURTESY LIGHTS RELAY “C” (TRUNK COME 2 MICRO RELAY CENTER), RAP RELAY “E (TRUNK COMP. 2 MICRO RELAY CENTER), KEYLESS ENTRY MODULE, TRUNK LAMP
BODY 1 10 FRONT DOOR LOCK SWITCHES, FRONT DOOR COURTESY LAMP, GLOVE BOX LAMP, HEADLIGHT SWITCH
READ LP 10 LTAND AT FRONT HEADER LAMP, GARAGE DOOR OPENER, LT AND RT REAR HEADER LAMPS
L PRK LP 10 LT REAR TAIL/STOP/TURN LAMPS, LT FRONT PARK/TURN LAMPS, FRONT AND REAR LEFT SIDE MARKER LAMPS, RT REAR MARKER LAMP, HEADLIGHT SWITCH, INSTRUMENT PANEL CLUSTER
R PRK LP 10 RADIO CONTROL HEAD, RT TAIUSTOP TURN LAMPS, RT FRONT AND REAR SIDE MARKER LAMPS, RT FRONT PARK AND TURN LAMPS, ENGINE COME LAMP, LICENSE PLATE LAMPS
RAD (BAT) 10 RADIO
TRUNK PLD 20 TRUNK LID PULL DOWN MOTOR
ELC 30 ELECTRONIC LEVEL CONTROL (ELC)
R HTD SEAT 10 PASSENGERS HEATED SEAT
L HTD SEAT 10 DRIVER’S HEATED SEAT

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Cadillac DeVille (1993) – fuse box diagram

Cadillac DeVille (1993) – fuse box diagram

Year of production: 1993

Instrument panel

The fuse block is located under the instrument panel, next to the parking brake.

Cadillac DeVille - fuse box diagram
Cadillac DeVille – fuse box diagram
Fuse Ampere rating [A] Usage
1 10 CRANK, DIAG. ENERGY RESERVE MODULE
2 10 SPARE
3 15 SPARE
4 10 RADIO, BODY COMPUTER MODULE
5 25 WSHIELD WIPE/WASH, WIPER/WASHER SWITCH
6 10 COOLING FAN RELAYS, HIGH SPEED COOLANT FAN, LOW SPEED COOLANT FAN
7 20 AIR CONDITIONIN, A/C COMPRESSOR RELAY,  BODY COMPUTER MODULE,  ELECTRONIC CLIMATE CONTROL,  CRUISE CONTROL SWITCH, ELEC. CLIMATE CTRL PROG., ELEC. HEIGHT SENSOR, FUEL DATA CENTER,  HEATED WlS CONTROL MODULE,  INSTRUMENT CLUSTER, REAR DEFOGGER RELAY, WINDOW LOCKOUT SWITCH
8 10 ANTI-LOCK BRAKE-CONTR
20* VAC PUMP (H.D. CHASSIS ONLY) MODULE, ELEC. BRAKE CONTROL, BR.4KE PRESSURE MODULE, MAIN RELAY
9 BLAVK
10 BLAVK
11 20 CHIME/ClG LTH/RADIO/PWK ANT, POWER ANT. RELAY, FRONT CIGAR LIGHTER, LEFT HAND INFO. CENTER, GLOVE COMPARTMENT LIGHT, MULTIFUNCTION CHIME MODULE, RADIO
12 20 AUTO LEVEL CONTROL, ELEC. COMPRESSOR, ELEC. HEIGHT SENSOR, ELEC. RELAY
13 20 BRAKE & HAZARD LPS, BRAKE LIGHT SWITCH, HAZARD FLASHER
14 20 PARK LAMPS,  INSTRUMENT CLUSTER, LIGHT SWITCH, TWILIGHT SENTINEL/DAYTIME RUNNING LIGHTS MODULE
15 15 CTSY LP/PWR MIRROR, DOME/MAP LIGHTS AND GARAGE DOOR OPENER, FRONT DOOR LOCK FIBER OPTIC LIGHTS,  FRONTIREAR DOOR WARNING LIGHTS,  FRONT/FLEET VANITY MIRROR LIGHTS, FRONT/REAR/QTR PANEL COURTESY/READING LIGHTS, TRUNK LIGHT, LT POWER SEAT SWITCH
16 15 GAUCES/DR LUCK/ILL ENT, AUTO. DAY/NIGHT MIRROR,  AUTO. DOOR LOCK MODULE, BODY COMPUTER MODULE, COMPUTER CONTROLLED RIDE MODULE, DIAG. ENERGY RESERVE MODULE, FUEL TANK UNIT, ILLUMINATED ENTRY, INSTRUMENT CLUSTER, POWER SEATS,  KEYLESS ENTRY,  L & R GO SPECIAL SEAT CTRLS,  MULTIFUNCTION CHIME MODULE, RIGHT SIDE INFO. CENTER,  SEAT MEMORY MODULE, THEFT DETERRENT MODIJLE
17 15 ENGINE CTRL MOD, POWER CONTROL MODULE,  PASS KEY DECODER MODULE
18 10 SUP INFL REST, DIAGNOSTIC/ENERGY RESERVE MODULE (DERM),  DUAL SENSOR
19 20 TURN SIGN/BACK UP LPS,  NEUTRAL SAFETY BACKUP,  TURN FLASHER, TURN/HAZARD SWITCH
20 20 SPARE
21 25 SPARE
22 20 TRULVK RELWEL FILLER, TRUNK LID RELEASE SWITCH, FUEL DOOR RELEASE SWITCH
23 30 CB PWR WDO/SUN ROOF,  ASTROROOF CONTROL MODULE, EXPRESS DOWN WINDOW MODULE, POWER WINDOW SWITCHES AND LOCKOUT RELAY
24 30 CB DR LKS/RR DEFOG, DOOR LOCK RELAY, LEFT & RIGHT SIDE RECLINER SWITCHES, LEFT & RIGHT SEAT SWITCHES, L & R 60 SPECIAL SEAT CTRL SW, REAR DEFOGGER,  SEAT MEMORY MODULE, KEYLESS ENTRY
25 10 INST PANEL LAMPS,  ASHTRAY LIGHT,  BODY COMPUTER MODULE, ENGINE COMPARTMENT LIGHT, I/P AND SWITCH BACK LIGHTS, RADIO DISPLAY DIMMING INPUT

 

Relay panel

Cadillac DeVille - fuse box diagram - relay panel
Cadillac DeVille – fuse box diagram – relay panel
Fuse name Ampere rating Description
HORN/TRUNK PULL ON 25 HORN RELAY, PULL DOWN UNIT
DOOR LOCK 15 DOOR LOCK SWITCHES, OUTSIDE MIRROR CONTROL SWITCH, LT AND RT REAR CIGAR LIGHTS, KEYLESS ENTRY, TRUNK LID RELEASE,  AUTOMATIC DOOR LOCKS, ILLUMINATED ENTRY, LT AND RT REAR, DOOR LOCK SWITCHES, LT AND RT REAR DOOR COURTESY LIGHTS
HEATED MIRROR 10 HEATED MIRROR
A/C PROGRAMMER 10 A/C PROGRAMMER
ERLS 15 A/C COMPRESSOR CONTROL RELAY, VISCOVS CONVERTER CLUTCH BRAKE SWITCH, EGR SOLENOID, VAPOR CANISTER PURGE SOLENOID,  POWER STEERING PRESSURE SWITCH
FUEL PUMP 20 FUEL PUMP RELAY, ENGINE OIL PRESSURE SWITCH
INJECTOR 10 FUEL INJECTORS 2,3,5 AND a
INJECTOR 10 FUEL INJECTORS 1,4,6 AND 7
Relay Usage
A ANTENNA RELAY
B BOSE RELAY (IF EQUIPPED)
C DEFOGGER RELAY
D WINDOW LOCKOUT RELAY
E RETAINED ACCESSORY POWER REMY NO. 2
F RETAINED ACCESSORY POWER RELAY NO. 1
G LECTRONIC LEVEL CONTROL (ELC)
H FUEL PUMP RELAY
J HORN RELAY

Maxi Fuses

Right side

Fuse name Ampere rating Description
SPARE 30 SPARE
1GN SW 60 RETAINED ACCESSORY POWER, IGNITION SWITCH
BLWR 30 ELECTRONIC CLIMATE CONTROL, POWER MODULE BLOWER CONTROL MODULE
ECM 20 BODY CONTROL MODULE (BCM), ELECTRONIC CONTROL MODULE (ECM), PASS KEY DECODER MODULE
BOSE/SPARE 20 BOSE RADIO RELAY IF EQUIPPED
PWR LK SEATS RR DE 50 POWER TO CB 24 (SEE FUSE BLOCK)
HORN 40 POWER TO FUSES 1 AND 2 (SEE FUSE BLOCK)
HTD W/S SPARE 20 HEATED WINDSHIELD IF EQUIPPED

 

Left side

Fuse name Ampere rating Description
ABS PMP 40 ABS PUMP RELAY
ABS MA 30 MAIN RELAY
ELC 40 POWER TO FUSES 11 AND 12 (SEE FUSE BLOCK)
COOL FAN 40 COOLANT FAN RELAYS
MlSC LTS 60 POWERS FOR FUSES 13,14 AND 15 (SEE FUSE BLOCK)
HDLPS 30 HEADLIGHT SWITCH
IGN 60 THEFT DETERRENT, IGNITION SWITCH
SPARE 60 SPARE

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Envision (2018) – fuse box diagram

Buick Envision (2018) – fuse box diagram

Year of production: 2018

Engine Compartment Fuse Block

Buick Envision - fuse box - engine compartment
Buick Envision – fuse box – engine compartment
Fuses Usage
F01 Starter 1
F02 Starter 1
F03 Non walk
F04 Engine control module
F05 Flex fuel
F06 –/Transmission control module
F07
F08 Engine control module
F09 A/C
F10 Canister vent solenoid
F11 Fuel pump
F12 Heated seats
F13 Engine coolant pump
F14
F15 O2 sensor
F16 Ignition coils – odd
F17 Ignition coils – even
F18
F19
F20 DC DC/Transmission
F21 Liftgate
F22 ABS
F23 Washer pump
F24 Headlamp washer
F25
F26 Transmission oil pump
F27 ABS
F28
F29 Rear window defogger
F30 Mirror defogger
F31
F32 Various low current functions/Circuit 39 splice
F33
F34 Horn
F35
F36 Right high-beam headlamp
F37 Left high-beam headlamp
F38 Automatic headlamp leveling
F39 Front fog lamps
F40 Transmission oil pump
F41 Passenger seat ventilation
F42 Headlamp position
F43
F44 Interior rearview mirror
F45
F46 Driver seat ventilation
F47 Electric steering column lock
F48 Rear wiper
F49
F50
F51 Right daytime running lamp
F52 Engine control module/ Transmission control module
F53
F54
F55 Front wiper
F56
F57 Left daytime running lamp
K01 Start/Stop
K02 A/C clutch
K03 Engine control module
K04 Wiper
K05 Start solenoid
K06
K07
K08 Transmission oil pump
K09 Wiper speed
K10 Starter
K11 Headlamp washers
K12 High-beam headlamps
K13 Daytime running lamps
K14 Run/Crank
K15 Rear window/Mirror defogger

Circuit Breaker Usage
K01 Start/Stop
K02 A/C clutch
K03 Engine control module
K04 Wiper
K05 Start solenoid
K06
K07
K08 Transmission oil pump
K09 Wiper speed
K10 Starter
K11 Headlamp washers
K12 High-beam headlamps
K13 Daytime running lamps
K14 Run/Crank
K15 Rear window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is in the glove box.

Buick Envision - fuse box - instrument panel
Buick Envision – fuse box – instrument panel
Fuses Usage
F1
F2 Front HVAC blower
F3 Power seat
F4 Lighter (China only)
F5
F6 Front power windows
F7
F8 Accessory power outlet
F9 Body control module 8
F10 Rear power windows
F11
F12 Sunroof
F13 Front heated seats
F14 Exterior rearview mirror
F15 Body control module 3
F16
F17 Body control module 6
F18 Body control module 7
F19 Data link connector
F20 SDM
F21 HVAC
F22 Liftgate release
F23 Passive entry/ Passive start
F24 OCC sensor
F25 Steering wheel controls
F26 Ignition
F27 Body control module 4
F28 Transmission control module
F29 Body control module 2
F30 USB
F31 Rear HVAC blower
F32 Body control module 1
F33 Universal remote system
F34 Parking assist
F35 OnStar
F36 Display
F37 Radio

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the left side of the rear compartment.

Buick Envision - fuse box - rear compartment
Buick Envision – fuse box – rear compartment
Fuses Usage
F1
F2 DC AC
F3
F4 Passenger power seat
F5 Memory seat module
F6
F7 Amplifier
F8 Rear accessory power outlet
F9 Rear heated seat
F10 Logistics relay
F11 Rear HVAC
F12 Power liftgate HF sensor
F13 Parking/Trailer lamps
F14 Side blind zone alert
F15 Left parking lamp
F16 Right parking lamp
F17 Body control module 6
F18 Heated steering wheel
F19 AWD
F20 Lumbar seat
F21 Rear heated seat
F22 Rear drive control module
F23 Trailer left turn signal lamp
F24 Trailer right turn signal lamp
K1 Parking lamps
K2
K3 Ignition
K4 Logistics
K5 DC AC
K6
K7 Parking assist
K8 Right turn
K9 Left turn
K10
Circuit Breaker Usage
K1 Parking lamps
K2
K3 Ignition
K4 Logistics
K5 DC AC
K6
K7 Parking assist
K8 Right turn
K9 Left turn
K10

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Cascada (2018) – fuse box diagram

Buick Cascada (2018) – fuse box diagram

Year of production: 2018

Engine Compartment Fuse Block

Buick Cascada - fuse box - engine compartment
Buick Cascada – fuse box – engine compartment
Fuses Usage
1 Engine control module
2 O2 sensor
3 Fuel injection/ Ignition system
4 Fuel injection/ Ignition system
5
6 Heated mirrors
7 Fan control
8 O2 sensor/ Powertrain cooling
9 Rear window sensor
10 Vehicle battery sensor
11 Trunk release
12 Adaptive headlamps/ Automatic headlamp leveling
13 ABS valves
14
15 Engine control module
16 Starter
17 Transmission control module
18 Rear window defogger
19 Front power window
20 Rear power window
21 Rear electrical center
22
23
24 Right high-beam headlamp
25 Left high-beam headlamp
26 Front fog lamps
27
28
29 Electric parking brake
30 ABS pump
31
32 Airbag
33 Adaptive forward lighting/Automatic headlamp leveling
34 Exhaust gas recirculation
35 Power windows/Rain sensor/Exterior mirror
36 Climate control
37
38 Vacuum pump
39 Fuel system control module
40 Front windshield washer
41
42 Engine cooling fan
43 Windshield wipers
44
45 Engine cooling fan
46
47 Horn
48 Engine cooling fan
49 Fuel pump
50 Headlamp leveling/ Adaptive forward lighting
51
52
53 Transmission control module/Engine control module
54 Vacuum pump/ Instrument panel cluster/HVAC

Instrument Panel Fuse Block

The instrument panel fuse block is on the driver side of the instrument panel.

Buick Cascada - fuse box - instrument panel
Buick Cascada – fuse box – instrument panel
Fuses Usage
1 Displays
2 Body control module/Exterior lamps
3 Body control module/Exterior lamps
4 Infotainment system
5 Infotainment system/ Instrument cluster
6 Power outlet
7 Power outlet
8 Body control module/Left low-beam headlamp
9 Body control module/Right low-beam headlamp
10 Body control module/Door locks
11 Interior fan
12 Driver power seat
13 Passenger power seat
14 Diagnostic connector
15 Airbag
17 A/C system
18 Service diagnose
19 Body control module/Brake lamps/Reverse lamps/Interior lamps
20
21 Instrument panel
22 Ignition
23 Body control module
24 Body control module
25
26 Trunk power outlet accessory
Relays Usage
16 Trunk lid relay

Rear Compartment Fuse Block

The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.

Buick Cascada - fuse box - rear compartment
Buick Cascada – fuse box – rear compartment
Fuses Usage
1 Convertible control module/Right power rail
2
3 Rear parking assist
4 Selective catalytic reduction system
5
6
7 Power seats
8 Convertible control module
9 Selective catalytic reduction system
10 Selective catalytic reduction system
11 Tire pressure monitor/Rear vision camera
12 Convertible control module/Reverse lamps
13
14 Rear seat electrical folding
15
16 Rear vision camera/ Convertible control module
17
18
19 Heated steering whee
20
21 Heated seats
22
23 Convertible control module/Left power rail
24 Selective catalytic reduction system
25
26 Non-logistic mode
27 Passive entry/ Passive start
28
29 Hydraulic unit
30
31
32

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Encore (2018) – fuse box diagram

Buick Encore (2018) – fuse box diagram

Year of production: 2018

Engine Compartment Fuse Block

Buick Encore - fuse box - engine compartment
Buick Encore – fuse box – engine compartment
Mini Fuses Usage
1 Sunroof
2 Exterior rearview mirror switch/Driver side power window/ Rain sensor/ Universal garage door opener
3 Canister vent solenoid
4
5 Electronic brake control module valve
6 Intelligent battery sensor
7 Electric steering column lock
8 Transmission control module/FICM
9 Automatic occupancy sensing module
10 Headlamp leveling switch/Headlamp leveling motor/Rear vision camera/ Interior rearview mirror
11 Rear wiper
12 Rear window defogger
13 Power lumbar switch
14 Exterior rearview mirror heater
15 Fuel system control module battery
16 Heated seat module/ Memory module
17 TIM DC DC converter/Fuel system control module RC/ Compass module
18 Engine control module RC/ Transmission control module RC/ FICM RC
19 Fuel pump
20
21 Fan relay (auxiliary BEC)
22
23 Ignition coil/ Injector coil
24 Washer pump
25 Automatic
26 EMS Var 1
27 –/Auxiliary heater pump
28 –/Engine control module powertrain/ Ignition 3
29 Engine control module powertrain/ Ignition 1/Ignition 2
30 EMS Var 2
31 Left high-beam headlamp
32 Right high-beam headlamp
33 Engine control module battery
34 Horn
35 A/C clutch
36 Front fog lamps

 

J-Case Fuses Usage
1 Electronic brake control module pump
2 Front wipe
3 Linear power module blower
4 IEC RC
5
7 –/Starter solenoid
8 Cooling fan low – mid
9 Cooling fan – high
10 EVP
11 Starter solenoid/ Starter pinion

 

U-Micro Relays Usage
2 Fuel pump
4 –/Auxiliary heater pump

 

HC-Micro Relays Usage
7 Starter/Starter pinion
10 Starter solenoid

 

Mini Relays Usage
1 Run/Crank
3 Cooling fan – mid
5 Powertrain relay
8 Cooling fan – low

 

HC-Mini Relays Usage
6 Cooling fan – high

Auxiliary Fuse Block

Buick Encore - fuse box - auxiliary fuse block
Buick Encore – fuse box – auxiliary fuse block
Relays Usage
RLY01 Electric vacuum pump
RLY02 Cooling fan control 1
RLY03 Cooling fan control 2
RLY04 N/A

Instrument Panel Fuse Block

The instrument panel fuse block is on the underside of the driver side instrument panel.

Buick Encore - fuse box - instrument panel
Buick Encore – fuse box – instrument panel
Fuses Usage
F1 Body control module 1
F2 Body control module 2
F3 Body control module 3
F4 Body control module 4
F5 Body control module 5
F6 Body control module 6
F7 Body control module 7
F8 Body control module 8
F9 Discrete logic ignition switch
F10 Sensing diagnostic module battery
F11 Data link connector
F12 HVAC module/ICS
F13 Liftgate relay
F14 Central gate moduleF15
F15 Lane departure warning/GENTEX
F16 Adaptive forward lighting module
F17 Electrical steering column lock
F18 Parking assist module/Side blind zone alert
F19 Body control module/Regulated voltage control
F20 Clock spring
F21 A/C/Accessory power outlet/PRNDL
F22 Auxiliary power outlet/DC center
F23 HVAC module/ICS
F24
F25 OnStar module/ Eraglonass
F26 Heated steering wheel
F27 Instrument panel cluster/Auxiliary heater/Auxiliary virtual image display
F28 Trailer feed 2
F29 Infotainment system
F30 DC/DC 400W
F31 Instrument panel cluster module battery
F32 Silver box audio module/Navigation
F33 Trailer feed 1
F34 Passive entry/ Passive start

 

Midi Fuses Usage
M01 Positive temperature coefficient

 

S/B Fuses Usage
S/B01 Passenger power seat
S/B02
S/B03 Front power windows
S/B04 Rear power windows
S/B05 Logistic mode relay
S/B06 Driver power seat
S/B07
S/B08 Trailer interface module

 

Circuit Breaker Usage
CB1

 

Relay Usage
RLY01 Accessory/Retained accessory power
RLY02 Liftgate
RLY03
RLY04
RLY05 Logistic mode

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Buick Encore - fuse box diagram - rear compartment
Buick Encore – fuse box diagram – rear compartment
Fuses Usage
F1 Amplifier audio
F2 Rear drive control module
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17

 

S/B Fuses Usage
S/B01 DC-DC transformer 400W
S/B02 DC-DC transformer 400W
S/B03 DC/AC inverter module
S/B04
S/B05

 

Relays Usage
RLY01
RLY02
RLY03
RLY04
RLY05

 

Circuit Breaker Usage
CB1

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick LaCrosse (2018) – fuse box diagram

Buick LaCrosse (2018) – fuse box diagram

Year of production: 2018

Engine Compartment Fuse Block

Buick LaCrosse - fuse box - engine compartment
Buick LaCrosse – fuse box – engine compartment
Fuses Usage
1
2
3 ABS pump
5 AC DC inverter
6 Rear closure
7 Left corner lamp
8 Power windows/ Rearview mirror/ Power seats
9 Engine boost
10 Airbag sensing diagnostic module/Passenger sensing module —eAssist
11 DC DC Battery 1
12 Rear window defogger
13 Heated mirrors
14
15 Passive entry/ Passive start
16 Front wipers
17 Passenger power seat
18 ABS valve
19 Driver power sea
21 Sunroof
22 Right corner lamp
23 Auto headlamp leveling
24
26 Transmission control module/Ignition
27 Instrument panel/ Ignition
28 Electronic precision shift/Ignition
29 Rear vision camera/ Ventilation
30 Malfunction indicator lamp/Shift solenoid
32 Canister vent solenoid
33 Front heated seats
34 BSM (eAssist)/Fan control module/Damping control module (SADS)
35 Fog lamps
36 Fuel module
38
39
40 Steering columnn lock
41
43 Heated steering wheel
44 Headlamp leveling/ Rear seat ventilation
45
46 Engine control module/Ignition
47
48 Engine boost/Left cooling fan
49 DC DC battery 2/AWD
50
51
52
53
54
55
56
57 Transmission auxiliary pump
58 TRCM
59 High-beam headlamps
60 Cooling fan
61
62
63
65 A/C HEV
67
68
69 Right HID low-beam headlamps
70 Left HID low-beam headlamps
72 Starter pinion
74 Starter motor
75 Engine control module
76 Powertrain – off engine
77
78 Horn
79 Washer pump
81 Transmission control module/ Engine control module
82
83 Ignition coils
84 Coil
85 Engine control module switch 2
86 Engine control module switch 1
87 SAI reaction pump
88 Aeroshutter
89 Headlamp washer
91
92 TPIM motor generator unit pump
93 Headlamp leveling
95 SAI reaction solenoid
96 Fuel heater
97
99 Coolant pump

 

Relays Usage
4 AC DC inverter
20 Rear defogger
25 Front wiper control
31 Run/Crank
37 Front wiper speed
42 Transmission auxiliary pump
64 A/C control
66 Powertrain
71 HID low-beam headlamps
73 Starter motor
80 Starter pinion
90 SAI reaction solenoid
94 Headlamp washer
98 SAI reaction pump

Instrument Panel Fuse Block

The instrument panel fuse block is in the instrument panel, on the driver side of the vehicle.

Buick LaCrosse - fuse box - instgrument panel
Buick LaCrosse – fuse box – instgrument panel
Fuses Usage
F1 Left window
F2 Right window
F3
F4 HVAC blower
F5 Battery 2
F6 Electric steering column
F7
F8 Battery 3
F9 Engine control module/Battery
F10 Body control module 2 On/Off
F11
F12
F13
F14
F15 Transmission control module On/Off
F16 Amplifier
F17
F18 Battery 7
F19
F20 Battery 1
F21 Battery 4
F22 Battery 6
F23 Electric steering column lock
F24 Airbag sensing diagnostic module/ Passenger sensing module
F25 Diagnostic link
F26
F27 AC DC inverter
F28
F29 Body control module 8
F30 Overhead console
F31 Steering wheel control
F32
F33 HVAC
F34 Center gateway module
F35 Integrated chassis control module
F36 Charger
F37 Auxiliary power outlet/Cigar lighter
F38 OnStar
F39 Monitor
F40 Object detection
F41 Body control module 1 On/Off
F42 Radio
F43 Rear accessory power outlet
F44 Front accessory power outlet

 

Relays Usage
K1
K2 Retained accessory power
K3
K4
K5 Logistics

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.